topic 3 vocal Flashcards
heritable
a genetic characteristic that can be passed pm tp offspring.
asexual reproduction
the formation of a new individual from a single organism
binary fission
the splitting of a single-celled organism into two new organisms approximately the equal size, amoebae and many bacterial reproduce actually.
spores or zoospores
a flagellated sexual spore that reproduces by zoospores
meristem
an area of cell division of unspecialized cells in the tips of the roots. it shoots out pollin that produce new growth in plants
clone
an identical copy of a molecule, gene, cell or entire organism,.
budding
asexual reproduction process in which a bud forms on an organism, grows, and eventually breaks away to become a new organism.
sexual reproduction
the formation of a new organism from two different sexes
zygospores
a single-celled reproductive structure formed in sexual reproduction by some fungi
bacterial conjugation
the direct transfer of genetic material from one bacterial cell to another
body cells
cells that are composed in the human body
gamete
a reproductive cell containing half the number of chromosomes of a somatic cell.
fertilization
is the fusion of gametes to initiate the development of a new individual organisms
zygote
the new cell formed by the process of fertilization
embryo
a multicellular organism during early development
angiosperm
they form sexually by forming seeds in flowers
gymnosperms
they actually by forming seed in cones
pollen
the powdery product produced by the make gametes.
pollen tube
in a plant a tube that grows from a pollen grain toward the ovule
cotyledon
a seed leaf structure in a seed that nourishes the plant embryo
self-pollination
pollination of an ovule in a flower with pollen from the same flower.
cross-pollination
pollen of an ovule in a flower with pollen from a different flower.
